/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/ObjectElements/DatasmithUSceneElement.h
UDatasmithSceneElementBaseFind Or Add
[UDatasmithMetaDataElement](API\Plugins\DatasmithImporter\ObjectElements\UDatasmithMetaDataElement) * FindOrAddElement ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDatasmithMetaDataElement](API\Runtime\DatasmithCore\IDatasmithMetaDataElement) > & InElement )